package io;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.util.Properties;
public class Io3 {
public static void main(String[] args) throws IOException {
myStore();
}
public static void myLoad() throws IOException{
Properties prop = new Properties();
Reader r = new FileReader("prop.txt"); //文件中的内容必须是键值对形式
prop.load(r);
r.close();
System.out.println(prop);
}
public static void myStore() throws IOException{
Properties prop = new Properties();
prop.setProperty("张三", "zhangsan");
prop.setProperty("李四", "lisi");
prop.setProperty("王五", "wangwu");
Writer w = new FileWriter("prop.txt");
prop.store(w, "comments");
w.close();
}
}
store()方法生成的文件如下图:
load()方法输出的内容如下图: